User's Manual

SARA-G3 and SARA-U2 series - System Integration Manual
UBX-13000995 - R18 Advance Information Contents
Page 5 of 206
1.13.4 TCP/IP and UDP/IP ....................................................................................................................... 77
1.13.5 FTP .............................................................................................................................................. 77
1.13.6 HTTP ........................................................................................................................................... 77
1.13.7 SMTP ........................................................................................................................................... 77
1.13.8 SSL/TLS ........................................................................................................................................ 78
1.13.9 Dual stack IPv4/IPv6 ..................................................................................................................... 79
1.13.10 Smart temperature management ............................................................................................. 80
1.13.11 AssistNow clients and GNSS integration ................................................................................... 83
1.13.12 Hybrid positioning and CellLocate
®
.......................................................................................... 83
1.13.13 Control Plane Aiding / Location Services (LCS) .......................................................................... 86
1.13.14 Bearer Independent Protocol .................................................................................................... 86
1.13.15 Multi-Level Precedence and Pre-emption Service ...................................................................... 86
1.13.16 Network Friendly Mode ........................................................................................................... 86
1.13.17 Firmware upgrade Over AT (FOAT) .......................................................................................... 87
1.13.18 In-Band modem (eCall / ERA-GLONASS) .................................................................................. 87
1.13.19 SIM Access Profile (SAP) ........................................................................................................... 88
1.13.20 Power Saving ........................................................................................................................... 89
2 Design-in ..................................................................................................................... 90
2.1 Overview ............................................................................................................................................ 90
2.2 Supply interfaces ................................................................................................................................ 91
2.2.1 Module supply (VCC) .................................................................................................................. 91
2.2.2 RTC supply (V_BCKP) ................................................................................................................. 104
2.2.3 Interface supply (V_INT) ............................................................................................................. 105
2.3 System functions interfaces .............................................................................................................. 107
2.3.1 Module power-on (PWR_ON) .................................................................................................... 107
2.3.2 Module reset (RESET_N) ............................................................................................................ 108
2.3.3 32 kHz signal (EXT32K and 32K_OUT) ....................................................................................... 109
2.4 Antenna interface ............................................................................................................................. 111
2.4.1 Antenna RF interface (ANT) ....................................................................................................... 111
2.4.2 Antenna detection interface (ANT_DET) .................................................................................... 118
2.5 SIM interface .................................................................................................................................... 121
2.6 Serial interfaces ................................................................................................................................ 127
2.6.1 Asynchronous serial interface (UART)......................................................................................... 127
2.6.2 Auxiliary asynchronous serial interface (UART AUX) ................................................................... 133
2.6.3 Universal Serial Bus (USB) .......................................................................................................... 135
2.6.4 DDC (I
2
C) interface .................................................................................................................... 137
2.7 Audio interface ................................................................................................................................. 143
2.7.1 Analog audio interface .............................................................................................................. 143
2.7.2 Digital audio interface ............................................................................................................... 149
2.8 General Purpose Input/Output (GPIO) ............................................................................................... 152
2.9 Reserved pins (RSVD) ........................................................................................................................ 153
2.10 Module placement ........................................................................................................................ 153
2.11 Module footprint and paste mask ................................................................................................. 154